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Yeah!!! Yesterday we release our first katta version!!
My colleagues worked very hard on this and yesterday we finished our first big milestone. I also gave a katta talk at the hadoop conference and I will post the slides as soon I can.

Here goes the release announcement:

 

 

After 5 month work we are happy to announce the first developer preview release of katta.This release contains all functionality to serve a large, sharded lucene index on many servers.Katta is standing on the shoulders of the giants lucene, hadoop and zookeeper.

 

Main features:

+ Plays well with Hadoop
+ Apache Version 2 License.
+ Node failure tolerance
+ Master failover
+ Shard replication
+ Plug-able network topologies (Shard – Distribution and Selection Polices)
+ Node load balancing at client

Please give katta a test drive and give us some feedback!

Download:
http://sourceforge.net/project/platformdownload.php?group_id=225750

website:
http://katta.sourceforge.net/

Getting started in less than 3 min:
http://katta.wiki.sourceforge.net/Getting+started

Installation on a grid:
http://katta.wiki.sourceforge.net/Installation

Katta presentation today (09/17/08) at hadoop user, yahoo mission college:
http://upcoming.yahoo.com/event/1075456/
* slides will be available online later

Many thanks for the hard work:
Johannes Zillmann, Marko Bauhardt, Martin Schaaf (101tec)

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some photos